Improvement in machines for elevating building materials



3 Sheets--Sheet 1.

G. H. KANMAGHER. Machine for Elevating Building Materials. 'No.l68,749.,

Patented Oct. H, 1875.

HQE w INV E NTO-R N. PETER. PNDTO-LITHOGRAPHER, WASHINGTON. D c.

3 Shets--Sheet 2.

.Machine for Elevating Building Materials.

| wi. H. MMA-cuan.

No) 68.749I Patgnted Oct. V11|, 1875.

(NESSES NAPETERS. PMoTo-LITMDGRAPHER. WASHINGTON, D Q.

3 Sheets--Sheet 3. s. H'. KANMACHER.

Machine for Elevating Buildingpltdatrgatls 1875 N0 ]68,749| I' aente c..I

INVENTOR N.PETFRS, PHOTO-LITHOGRAPNER. WASHINGTON, D C.

Umm-STATES "e'fno'neny H. KANMAGHER, or eoLUMiSUs, onilo.-

IMPROVEMENT-IN MAcHINEs-FQR ELlEv/'irlNGBUVILDING MATERIALS.;

l Specification forming part of Letters Patent No. 158,749,`dated,.October l1, A1875; application nled f,

` i Jnne 24,1875. i L

To all whom it 'may concern: i 4

Beit known that I, `GrilORGdl H. KAN

MAGHER,of Columbus, in the county of Frank-l lin and State of Ohio, haveinvented anew and Improved Machine for Elevating or LoW-` erin'gBuilding Materials, of which the followin'g is a specificationvHeretofore elevators for raising or lowering course of demolition suchelevators endanger life, being supported near that portion of thestructure in course of removal. I

My improvement consists,first, in combining, with a base-frame formingthe sole support of the elevator, sectional and detachable standards,provided with cross-beams, which support detachable platforms, the upperplatform receiving the upper mechanism,to which the elevator-platformsare attached.

My improvement consists, secondly, in a platform-frame provided withA.vertical` bars, which slide'on the outside of the standards,

connected by cross-beams,and carrying rollers adapted to run on thefrontand the rear of the standards, in combination with a platformarranged to operate on the outside of the elevater-frame.

My improvement consists, thirdly, in combinin g, with a platform-frame,an improved supplemental frame, removable therefrom, provided with racksand means for rigid attachi ment, for the reception of hods or tools.

Myimprovement consists, fourthly, in pawls provided with 1ugs,.and hungloosely on a crank-shaft mounted in bearings in a vcrossbar of theplatform, and having pins for raising the pawls, in combination with thestandards provided with suitable racks. This forms a safety device orappliance adapted to retain the elevator in `any position Where it maybe stopped when the power is removed, and to support the platformsecurely in the event of breaking of the rope.

The apparatus is preferably constructed in .double form, so thatonesetqof platforms andv 'hed-receivers descends while the otherisasr,eend-ing. I

. I n the accompanying drawing, Figure-ll. isV

a top. view of an apparatus illustrating my` invention. l1`ig2 isanelevation thereof. Fig.

3 is a verticalsectionon the line 3 3, Fig. l. The elevator-frame isprovided Vvwith fiour` standards, A A A A', of any suitable height,

arrangedin quadrangular or rectangular form, divided ,into detachableand removable sec` tions, .and supported solely from a base,.B.r

Two standards, A A, on one side are connected by cross-beams C, and twostandards, A A,

on the opposite side are connectedin like manner, C', leaving a clear`space between the in ner sides of the standards.

place. forms "D D', which have their corners recessed to tit the bracesides b b of the standards,

but project a llittle onA the Yinner sides of the same withoutinterferingwith the guiding` i Wheels X X of the platform. Theseplatforms are supported by the braces C C of the standards, and act asadditional stays or braces to the elevator-frame.

F of a Wheel or drum, Gr, over which is passed a suspension cord orchain, H. Each end of the suspension cord or chain is attachedadjustably to the elevator-platforms I.

The elevator-platform is constructed as follows: J J represent bars,adapted to slide vertically on the sides b of the standards. These barsJ J are connected by rigid cross-beams K L, to the former of which thesuspension cord or chain H is attached. A Io the lower cross-beam L theextremity of an elevatingrope, M, is attached. The` platform-frame isadapted to run easily on the standards A A A Al by means of rollers X XX X (having suitable bearings in the bars J J for sustaining the lateralpressure produced by the Eachsection of the standard is furnished with atenon, a, and

a mort-iseka, at each end, respectively, `orl Y other suitable means forrigidly connecting or f coupling the sections of the standardswhenlengthening the elevator-frame; ,but the frame is detachable, 4sothan-when desired,the frame can beshortened or removed ffrom place to Atsuitable heights are placed plat- On the uppermost onev D of theseplatforms are mounted pillowweight of the materials to be elevated. Fromthe'lower partsiof the sliding frame projectr horizontal arms orbrackets N, strengthened by braces O, and receiving the platforms P, onwhich wheelbarrows or piles of materials are placed to be elevated. Tothe upper parts of the platform-frame is applied a supplemental frame,I', forming a bod-receiver, and

-which consists of uprights Q2 Q2 and supporting-.brackets Q Q1,surmounted by angular seats R of suitable shape to receive hods ortools. This supplemental frame is secured by its uprights being insertedwithin clips or Sockets S on the sides of the platform-bars J J andyokes T, projecting downward from beneath the lower horizontal bracketQ1 of the supplemental frame, and fitting over the crossbeam K of theelevator-frame.

U' U' represent pawls hung loosely on crankshafts V V', having bearingsin hangers k k, depending from the cross-beams K. The

pawls are adapted to engage with vertical ratchet-racks W, attached tothe standards A AA' A'. Pins v e, projecting from the crankshafts V V',engage with the pawls U' U'. When the said crank-shafts are turned inone direction the pawls will be retracted from contactwith the racks,and when turned in the other direction will be made to engage therewith.For this purpose the pawls are constructed with lugs or shoulders u u,adapted to receive the pressure of the pins 'v o in either direction.

In raising the platform, the platform being Ain its lowest position, thecrank-arm is turned so that the pins on its shaft may be disengaged fromthe lugs on the pawls, and allow the latter to engage automatically withthe racks'on the standards.

crank-shaft is turned so as to disengage the pawls. and keep them clearof the racks during its descent.

The elevating-rope M is carried around a drum',Y, connected withahorse-power or other suitable motor, by .which it may be turned ineither direction, to run either elevator up In lowering the plat-K form,upon its arrival at its highest point, the

while the other is allowed to descend. Bothl the suspension-rope H andthe elevating-rope M are ,adjustably connected with the elevatorframes,so as to provide for. extending the height of the apparatus, or theheight to which the elevators may be run, `as circumstances mayrrequire. Z Z may represent atemporary platform or planks resting uponjoists z. Z' are customary stages or planks, by which wheelbarrows maybe run onto the elevatorplatforms when at their lowest position.

The following is claimed as new:

1. The combination of base B, forming the sole support of the elevator,sectional and d etachable standards A A C A A' C', and detachableplatforms D D', supported by the braces O U' of the standards A A A' A',the upper platform D carrying the upper mechanism, to which theelevator-platforms are attached, substantially as and for the purposeset forth.

2. The platform I, consisting of vertical bars J J, sliding-on the sidesb of the lstandards A A A' A', and connected by cross-beams K ,therollers X X', attached to said barsJ J, nd adapted to run respectivelyin. front and rear of the standards, in combination with braces O,platform P, and brackets N on the outside of the elevating-frame, as setforth.

3. The supplemental and detachable hod- 'rame, consisting of uprights Q2Q2, supporting-brackets Q Q1, and angular seats B, the lower bracket Q1havingyokes T for attachment to the cross-beam K, in combination withthe vertical bars J J, having sockets or clips S, substantially as setforth.

4. The pawls U' U', having lugs u u, the crank-shaft V, provided withpins v fv for operating the pawls, and having bearings in hangers k k ofthe cross-beam K, in combination with standards A A, having racks W W,as set forth.

COURTLANDT P. L. BUTLER, Jr., 4 GEORGE D. JoNEs.

